Accessory for a hair dryer



FIG. 1 is a perspective view from the front, top, and right side of the accessory for a hair dryer embodying my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for an accessory for a hair dryer, as shown and described. 